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fix: allow string float number conversion to int 

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
This commit is contained in:
Mark Sagi-Kazar 2023-02-06 00:12:19 +01:00
parent 229ebf6490
commit f12f297551
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GPG Key ID: 31AB0439F4C5C90E
1 changed files with 23 additions and 11 deletions
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34
caste.go
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@ -35,7 +35,10 @@ func ToTimeInDefaultLocationE(i interface{}, location *time.Location) (tim time.
case string: case string:
return StringToDateInDefaultLocation(v, location) return StringToDateInDefaultLocation(v, location)
case json.Number: case json.Number:
s, err1 := ToInt64E(v) // Originally this used ToInt64E, but since it supports casting from string float
// the behavior of ToTime would have changed if we continued using it.
// For now, using json.Number's own Int64 method should be good enough.
s, err1 := v.Int64()
if err1 != nil { if err1 != nil {
return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i) return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i)
} }
@ -260,7 +263,7 @@ func ToInt64E(i interface{}) (int64, error) {
case float32: case float32:
return int64(s), nil return int64(s), nil
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
return v, nil return v, nil
} }
@ -312,7 +315,7 @@ func ToInt32E(i interface{}) (int32, error) {
case float32: case float32:
return int32(s), nil return int32(s), nil
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
return int32(v), nil return int32(v), nil
} }
@ -364,7 +367,7 @@ func ToInt16E(i interface{}) (int16, error) {
case float32: case float32:
return int16(s), nil return int16(s), nil
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
return int16(v), nil return int16(v), nil
} }
@ -416,7 +419,7 @@ func ToInt8E(i interface{}) (int8, error) {
case float32: case float32:
return int8(s), nil return int8(s), nil
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
return int8(v), nil return int8(v), nil
} }
@ -468,7 +471,7 @@ func ToIntE(i interface{}) (int, error) {
case float32: case float32:
return int(s), nil return int(s), nil
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
return int(v), nil return int(v), nil
} }
@ -501,7 +504,7 @@ func ToUintE(i interface{}) (uint, error) {
switch s := i.(type) { switch s := i.(type) {
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
if v < 0 { if v < 0 {
return 0, errNegativeNotAllowed return 0, errNegativeNotAllowed
@ -577,7 +580,7 @@ func ToUint64E(i interface{}) (uint64, error) {
switch s := i.(type) { switch s := i.(type) {
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
if v < 0 { if v < 0 {
return 0, errNegativeNotAllowed return 0, errNegativeNotAllowed
@ -653,7 +656,7 @@ func ToUint32E(i interface{}) (uint32, error) {
switch s := i.(type) { switch s := i.(type) {
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
if v < 0 { if v < 0 {
return 0, errNegativeNotAllowed return 0, errNegativeNotAllowed
@ -729,7 +732,7 @@ func ToUint16E(i interface{}) (uint16, error) {
switch s := i.(type) { switch s := i.(type) {
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
if v < 0 { if v < 0 {
return 0, errNegativeNotAllowed return 0, errNegativeNotAllowed
@ -805,7 +808,7 @@ func ToUint8E(i interface{}) (uint8, error) {
switch s := i.(type) { switch s := i.(type) {
case string: case string:
v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) v, err := strconv.ParseInt(trimDecimal(s), 0, 0)
if err == nil { if err == nil {
if v < 0 { if v < 0 {
return 0, errNegativeNotAllowed return 0, errNegativeNotAllowed
@ -1458,6 +1461,15 @@ func toInt(v interface{}) (int, bool) {
} }
} }
func trimDecimal(s string) string {
// trim the decimal part (if any)
if i := strings.Index(s, "."); i >= 0 {
s = s[:i]
}
return s
}
func trimZeroDecimal(s string) string { func trimZeroDecimal(s string) string {
var foundZero bool var foundZero bool
for i := len(s); i > 0; i-- { for i := len(s); i > 0; i-- {